Process of braille transcription



Patented July 2%, with.

UNITED era.

NANCY DWOLF CLARK, 0F GLEN HEAD, AND

N. Y., ASSIGNOES TO THE AMERICAN NA'Il No Drawing.

Our present invention pertains to Braille top of each other.

PROCESS OF BRAILLE TRANSCRIPTION.

Application filed December 24, 1925. Serial No. 77,616.

transcriptions and it contemplates the prowet each sheet separat vision of a simple and inexpensive process through the medium of which a large num- 5 ber of copies of Braille transcriptions may be readily and easily produced.

In using our invention we employ the The sheets are then ordinary we writing compri ll known perforation of Braille sing the use of a thin sharp LSt BASQ res PATENT orrica.

ALMA 1B. ARIHISTRQNG, OF NEW YORK, ONAL RED CROSS, A CORPORATION.

Care must be taken to ely. The sheets are then laid between boards with a heavy weight placed on top of the boards and this must be done at least twenty-four hours before printing or reproducing is started.

removed from the boards and placed between blotters; each sheet separately and blotted so that the point preferably of the construction repaper will be thoroughly damp but not quired by the Hall Braille writer which is shiny with moisture.

employed for necessary to use. paper or th and fasten the two pieces of pressed boards and rubber together with the rubber in the center and having one end provided with a narrow binding.

The matrix is then placed in this folder he matrix and said folder through a press.

lVe claim The sheets are then placed on the rubber in the folder and the matrix is placed on top of the sheets. It is to be understood that the matrix as is customary is provided with an embossed or dot side and this embossed side is placed on top of the sheets with the embossed sury twelve by seventeen inches face down and the folder is then run in size to receive t consists of two pieces of pressed board, one piece of stamping rubber of approximately one-quarter inch in thickness and of diconsisting of inserting mensions similar to those of the two pieces of pressed board.

The process of producing Braille writing a piece of stamping rubber backed with muslin in a folder On one side of this formed of two ieces of ressed board and stamping rubber we paste a piece of muslin then placing slightly saturated pieces of paper in to the folder against the rubber and placing a matrix on top of the paper with the embossed side down and running the folder between pressure rollers.

and the printing or reproducing operation set our hands.

is in order thoroughly wetting from one to five hundred sheets of paper and placing same on is accomplished by NANCY D ALMA B. ARMSTRONG.

In testimony whereof we have hereunto VVOLF CLARK. 

